diff --git a/datamodel/low/3.0/response.go b/datamodel/low/3.0/response.go
index 86633e7..7c472f0 100644
--- a/datamodel/low/3.0/response.go
+++ b/datamodel/low/3.0/response.go
@@ -1,99 +1,99 @@
 package v3
 
 import (
-    "github.com/pb33f/libopenapi/datamodel/low"
-    "gopkg.in/yaml.v3"
+	"github.com/pb33f/libopenapi/datamodel/low"
+	"gopkg.in/yaml.v3"
 )
 
 const (
-    LinksLabel = "links"
+	LinksLabel = "links"
 )
 
 type Responses struct {
-    Codes   map[low.KeyReference[string]]low.ValueReference[*Response]
-    Default low.NodeReference[*Response]
+	Codes   map[low.KeyReference[string]]low.ValueReference[*Response]
+	Default low.NodeReference[*Response]
 }
 
 func (r *Responses) Build(root *yaml.Node) error {
-    codes, _, _, err := ExtractMapFlat[*Response](ResponsesLabel, root)
-    if err != nil {
-        return err
-    }
-    if codes != nil {
-        r.Codes = codes
-    }
-    return nil
+	codes, _, _, err := ExtractMapFlat[*Response](ResponsesLabel, root)
+	if err != nil {
+		return err
+	}
+	if codes != nil {
+		r.Codes = codes
+	}
+	return nil
 }
 
 func (r *Responses) FindResponseByCode(code string) *low.ValueReference[*Response] {
-    return FindItemInMap[*Response](code, r.Codes)
+	return FindItemInMap[*Response](code, r.Codes)
 }
 
 type Response struct {
-    Description low.NodeReference[string]
-    Headers     low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Header]]
-    Content     low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*MediaType]]
-    Extensions  map[low.KeyReference[string]]low.ValueReference[any]
-    Links       low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Link]]
+	Description low.NodeReference[string]
+	Headers     low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Header]]
+	Content     low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*MediaType]]
+	Extensions  map[low.KeyReference[string]]low.ValueReference[any]
+	Links       low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Link]]
 }
 
 func (r *Response) FindContent(cType string) *low.ValueReference[*MediaType] {
-    return FindItemInMap[*MediaType](cType, r.Content.Value)
+	return FindItemInMap[*MediaType](cType, r.Content.Value)
 }
 
 func (r *Response) FindHeader(hType string) *low.ValueReference[*Header] {
-    return FindItemInMap[*Header](hType, r.Headers.Value)
+	return FindItemInMap[*Header](hType, r.Headers.Value)
 }
 
 func (r *Response) FindLink(hType string) *low.ValueReference[*Link] {
-    return FindItemInMap[*Link](hType, r.Links.Value)
+	return FindItemInMap[*Link](hType, r.Links.Value)
 }
 
 func (r *Response) Build(root *yaml.Node) error {
-    extensionMap, err := ExtractExtensions(root)
-    if err != nil {
-        return err
-    }
-    r.Extensions = extensionMap
+	extensionMap, err := ExtractExtensions(root)
+	if err != nil {
+		return err
+	}
+	r.Extensions = extensionMap
 
-    // extract headers
-    headers, lN, kN, err := ExtractMapFlat[*Header](HeadersLabel, root)
-    if err != nil {
-        return err
-    }
-    if headers != nil {
-        r.Headers = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Header]]{
-            Value:     headers,
-            KeyNode:   lN,
-            ValueNode: kN,
-        }
-    }
+	// extract headers
+	headers, lN, kN, err := ExtractMapFlat[*Header](HeadersLabel, root)
+	if err != nil {
+		return err
+	}
+	if headers != nil {
+		r.Headers = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Header]]{
+			Value:     headers,
+			KeyNode:   lN,
+			ValueNode: kN,
+		}
+	}
 
-    // handle content, if set.
-    con, clN, cN, cErr := ExtractMapFlat[*MediaType](ContentLabel, root)
-    if cErr != nil {
-        return cErr
-    }
-    if con != nil {
-        r.Content = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*MediaType]]{
-            Value:     con,
-            KeyNode:   clN,
-            ValueNode: cN,
-        }
-    }
+	// handle content, if set.
+	con, clN, cN, cErr := ExtractMapFlat[*MediaType](ContentLabel, root)
+	if cErr != nil {
+		return cErr
+	}
+	if con != nil {
+		r.Content = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*MediaType]]{
+			Value:     con,
+			KeyNode:   clN,
+			ValueNode: cN,
+		}
+	}
 
-    // handle links if set
-    links, linkLabel, linkValue, lErr := ExtractMapFlat[*Link](LinksLabel, root)
-    if lErr != nil {
-        return lErr
-    }
-    if links != nil {
-        r.Links = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Link]]{
-            Value:     links,
-            KeyNode:   linkLabel,
-            ValueNode: linkValue,
-        }
-    }
+	// handle links if set
+	links, linkLabel, linkValue, lErr := ExtractMapFlat[*Link](LinksLabel, root)
+	if lErr != nil {
+		return lErr
+	}
+	if links != nil {
+		r.Links = low.NodeReference[map[low.KeyReference[string]]low.ValueReference[*Link]]{
+			Value:     links,
+			KeyNode:   linkLabel,
+			ValueNode: linkValue,
+		}
+	}
 
-    return nil
+	return nil
 }
diff --git a/datamodel/low/3.0/schema_test.go b/datamodel/low/3.0/schema_test.go
index e349dc2..41eca7b 100644
--- a/datamodel/low/3.0/schema_test.go
+++ b/datamodel/low/3.0/schema_test.go
@@ -116,7 +116,7 @@ additionalProperties: true      `
 	assert.Equal(t, "something object", sch.Description.Value)
 	assert.True(t, sch.AdditionalProperties.Value.(bool))
 
-	assert.Len(t, sch.Properties, 2)
+	assert.Len(t, sch.Properties.Value, 2)
 	v := sch.FindProperty("somethingB")
 
 	assert.Equal(t, "https://pb33f.io", v.Value.ExternalDocs.Value.URL.Value)
@@ -139,71 +139,71 @@ additionalProperties: true      `
 	assert.Equal(t, true, addProps["thatIs"])
 
 	// check polymorphic values allOf
-	assert.Equal(t, "an allof thing", sch.AllOf[0].Value.Description.Value)
-	assert.Len(t, sch.AllOf[0].Value.Properties, 2)
+	assert.Equal(t, "an allof thing", sch.AllOf.Value[0].Value.Description.Value)
+	assert.Len(t, sch.AllOf.Value[0].Value.Properties.Value, 2)
 
-	v = sch.AllOf[0].Value.FindProperty("allOfA")
+	v = sch.AllOf.Value[0].Value.FindProperty("allOfA")
 	assert.NotNil(t, v)
 	assert.Equal(t, "allOfA description", v.Value.Description.Value)
 	assert.Equal(t, "allOfAExp", v.Value.Example.Value)
 
-	v = sch.AllOf[0].Value.FindProperty("allOfB")
+	v = sch.AllOf.Value[0].Value.FindProperty("allOfB")
 	assert.NotNil(t, v)
 	assert.Equal(t, "allOfB description", v.Value.Description.Value)
 	assert.Equal(t, "allOfBExp", v.Value.Example.Value)
 
 	// check polymorphic values anyOf
-	assert.Equal(t, "an anyOf thing", sch.AnyOf[0].Value.Description.Value)
-	assert.Len(t, sch.AnyOf[0].Value.Properties, 2)
+	assert.Equal(t, "an anyOf thing", sch.AnyOf.Value[0].Value.Description.Value)
+	assert.Len(t, sch.AnyOf.Value[0].Value.Properties.Value, 2)
 
-	v = sch.AnyOf[0].Value.FindProperty("anyOfA")
+	v = sch.AnyOf.Value[0].Value.FindProperty("anyOfA")
 	assert.NotNil(t, v)
 	assert.Equal(t, "anyOfA description", v.Value.Description.Value)
 	assert.Equal(t, "anyOfAExp", v.Value.Example.Value)
 
-	v = sch.AnyOf[0].Value.FindProperty("anyOfB")
+	v = sch.AnyOf.Value[0].Value.FindProperty("anyOfB")
 	assert.NotNil(t, v)
 	assert.Equal(t, "anyOfB description", v.Value.Description.Value)
 	assert.Equal(t, "anyOfBExp", v.Value.Example.Value)
 
 	// check polymorphic values oneOf
-	assert.Equal(t, "a oneof thing", sch.OneOf[0].Value.Description.Value)
-	assert.Len(t, sch.OneOf[0].Value.Properties, 2)
+	assert.Equal(t, "a oneof thing", sch.OneOf.Value[0].Value.Description.Value)
+	assert.Len(t, sch.OneOf.Value[0].Value.Properties.Value, 2)
 
-	v = sch.OneOf[0].Value.FindProperty("oneOfA")
+	v = sch.OneOf.Value[0].Value.FindProperty("oneOfA")
 	assert.NotNil(t, v)
 	assert.Equal(t, "oneOfA description", v.Value.Description.Value)
 	assert.Equal(t, "oneOfAExp", v.Value.Example.Value)
 
-	v = sch.OneOf[0].Value.FindProperty("oneOfB")
+	v = sch.OneOf.Value[0].Value.FindProperty("oneOfB")
 	assert.NotNil(t, v)
 	assert.Equal(t, "oneOfB description", v.Value.Description.Value)
 	assert.Equal(t, "oneOfBExp", v.Value.Example.Value)
 
 	// check values NOT
-	assert.Equal(t, "a not thing", sch.Not[0].Value.Description.Value)
-	assert.Len(t, sch.Not[0].Value.Properties, 2)
+	assert.Equal(t, "a not thing", sch.Not.Value[0].Value.Description.Value)
+	assert.Len(t, sch.Not.Value[0].Value.Properties.Value, 2)
 
-	v = sch.Not[0].Value.FindProperty("notA")
+	v = sch.Not.Value[0].Value.FindProperty("notA")
 	assert.NotNil(t, v)
 	assert.Equal(t, "notA description", v.Value.Description.Value)
 	assert.Equal(t, "notAExp", v.Value.Example.Value)
 
-	v = sch.Not[0].Value.FindProperty("notB")
+	v = sch.Not.Value[0].Value.FindProperty("notB")
 	assert.NotNil(t, v)
 	assert.Equal(t, "notB description", v.Value.Description.Value)
 	assert.Equal(t, "notBExp", v.Value.Example.Value)
 
 	// check values Items
-	assert.Equal(t, "an items thing", sch.Items[0].Value.Description.Value)
-	assert.Len(t, sch.Items[0].Value.Properties, 2)
+	assert.Equal(t, "an items thing", sch.Items.Value[0].Value.Description.Value)
+	assert.Len(t, sch.Items.Value[0].Value.Properties.Value, 2)
 
-	v = sch.Items[0].Value.FindProperty("itemsA")
+	v = sch.Items.Value[0].Value.FindProperty("itemsA")
 	assert.NotNil(t, v)
 	assert.Equal(t, "itemsA description", v.Value.Description.Value)
 	assert.Equal(t, "itemsAExp", v.Value.Example.Value)
 
-	v = sch.Items[0].Value.FindProperty("itemsB")
+	v = sch.Items.Value[0].Value.FindProperty("itemsB")
 	assert.NotNil(t, v)
 	assert.Equal(t, "itemsB description", v.Value.Description.Value)
 	assert.Equal(t, "itemsBExp", v.Value.Example.Value)
diff --git a/index/spec_index_test.go b/index/spec_index_test.go
index 16c1087..0fecbf3 100644
--- a/index/spec_index_test.go
+++ b/index/spec_index_test.go
@@ -162,7 +162,7 @@ func TestSpecIndex_PetstoreV3(t *testing.T) {
 
 }
 
-var mappedRefs = 8
+var mappedRefs = 9
 
 func TestSpecIndex_BurgerShop(t *testing.T) {
 
@@ -173,16 +173,16 @@ func TestSpecIndex_BurgerShop(t *testing.T) {
 	index := NewSpecIndex(&rootNode)
 
 	assert.Len(t, index.allRefs, mappedRefs)
-	assert.Len(t, index.allMappedRefs, mappedRefs)
-	assert.Equal(t, mappedRefs, len(index.GetMappedReferences()))
-	assert.Equal(t, mappedRefs, len(index.GetMappedReferencesSequenced()))
+	assert.Len(t, index.allMappedRefs, mappedRefs-1)
+	assert.Equal(t, mappedRefs-1, len(index.GetMappedReferences()))
+	assert.Equal(t, mappedRefs-1, len(index.GetMappedReferencesSequenced()))
 
 	assert.Equal(t, 7, index.pathCount)
 	assert.Equal(t, 7, index.GetPathCount())
 
 	assert.Equal(t, 5, len(index.GetAllSchemas()))
 
-	assert.Equal(t, 21, len(index.GetAllSequencedReferences()))
+	assert.Equal(t, 22, len(index.GetAllSequencedReferences()))
 	assert.NotNil(t, index.GetSchemasNode())
 	assert.NotNil(t, index.GetParametersNode())